Invoker

An invoker is a noun that refers to a person or a mechanism that calls upon or brings forth something, typically in a technical or metaphysical context. In technology, it often denotes a function or method that initiates a process or command. In a mystical or ritualistic sense, it can denote one who summons spirits or deities, typically in religious or magical practices.

Invoker meaning with examples

• In programming, an invoker is a crucial component that triggers the execution of a function, allowing developers to streamline complex operations. For instance, a simple user action can serve as an invoker for a complicated backend process, making it essential for app functionality.
• During the ritual, the invoker was responsible for calling forth the spirits of the ancestors, using specific incantations and offerings to facilitate communication. This role required deep knowledge of the protocols involved and a strong connection to the spiritual realm.
• The concept of an invoker can also be seen in artistic performances, where an actor plays the role of an invoker who connects with the audience through storytelling. This interaction bridges the gap between the performer and the viewers, making the experience immersive.
• In cloud computing, an invoker refers to an application programming interface (API) that initiates requests to services. Developers utilize this component to ensure interactions between software ecosystems and facilitate data transfers seamlessly.
• In video games, players take on the role of an invoker character, capable of summoning magical elements to aid their progress. This ability often requires strategy and timing, showcasing the invoker's importance in gameplay dynamics.